Product.wxs

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
  <Product Id="*"
           Language="1033"
           Manufacturer="Acme Corporation"
           Name="03_PassingInstallLocationParameterToInstaller"
           UpgradeCode="{5903552B-DDE6-45B5-BAC6-A28208C8DF81}"
           Version="1.0.0.0">

    <Package InstallScope="perMachine" InstallerVersion="200" Compressed="yes" />

    <MajorUpgrade DowngradeErrorMessage="A later version of [ProductName] is already installed. Setup will now exit." />

    <MediaTemplate EmbedCab="yes" />

    <Property Id="MY_PROPERTY" Value="default value" />

    <Directory Id="TARGETDIR" Name="SourceDir">
      <Directory Id="ProgramFilesFolder">
        <Directory Id="MY_INSTALL_LOCATION" Name="03_PassingInstallLocationParameterToInstaller" />
      </Directory>
    </Directory>

    <ComponentGroup Directory="MY_INSTALL_LOCATION" Id="ProductComponentGroup">
      <Component Id="ProductComponent">
        <File KeyPath="yes" Source="FileToInstall.txt"></File>
      </Component>
      <Component Id="cmp_RegistryEntry" Guid="*">
        <RegistryKey Root='HKLM' Key='Software\[Manufacturer]\[ProductName]'>
          <RegistryValue KeyPath='yes' Type='string' Name='My property' Value='[MY_PROPERTY]' />
        </RegistryKey>
      </Component>
    </ComponentGroup>

    <Feature Id="HelloWorldFeature">
      <ComponentGroupRef Id="ProductComponentGroup" />
    </Feature>

  </Product>
</Wix>